Patents by Inventor Etsuo Chou

Etsuo Chou has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Air-supplying structure for multi-cylinder engine
    Patent number: 6564783
    Abstract: A air supplying structure for multi-cylinder engine comprising six pieces of high-pressure stage superchargers 51, six pieces of low-pressure stage superchargers 52, two pieces of intercoolers 63 arranged between the high-pressure stage and low-pressure stage superchargers, and six pieces of aftercoolers 62 arranged between the high-pressure stage superchargers and cylinders, in which each high-pressure stage supercharger 51 is connected with three pieces of cylinders, each aftercooler 62 is connected with each high-pressure stage supercharger 51, the two pieces of intercoolers 63 are arranged at opposite sides of the engine body 2 along the arranging direction of the cylinders, each intercooler 63 is connected with three pieces of low-pressure stage superchargers 52, and the three pieces of the low-pressure stage superchargers 52 are connected to the three pieces of cylinders in the right bank and the six pieces of cylinders in the left bank, which cylinders are arranged near the associated intercooler 63.
    Type: Grant
    Filed: October 3, 2001
    Date of Patent: May 20, 2003
    Assignee: Komatsu Ltd.
    Inventors: Etsuo Chou, Rie Katayama
  • Air-supplying structure for multi-cylinder engine
    Publication number: 20020056444
    Abstract: A air supplying structure for multi-cylinder engine comprising six pieces of high-pressure stage superchargers 51, six pieces of low-pressure stage superchargers 52, two pieces of inter coolers 63 arranged between the high-pressure stage and low-pressure stage superchargers, and six pieces of after coolers 62 arranged between the high-pressure stage superchargers and cylinders, in which each high-pressure stage supercharger 51 is connected with three pieces of cylinders, each after cooler 62 is connected with each high-pressure stage supercharger 51, the two pieces of inter coolers 63 are arranged at opposite sides of the engine body 2 along the arranging direction of the cylinders, each inter cooler 63 is connected with three pieces of low-pressure stage superchargers 52, and these three pieces of the low-pressure stage superchargers 52 are connected to those three pieces of cylinders in the right bank and those six pieces of cylinders in the left bank, which cylinders are arranged near the associated inter
    Type: Application
    Filed: October 3, 2001
    Publication date: May 16, 2002
    Inventors: Etsuo Chou, Rie Katayama